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Re: huge tlb support

From: Andres Freund <andres(at)2ndquadrant(dot)com>
To: pgsql-hackers(at)postgresql(dot)org
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, Josh Berkus <josh(at)agliodbs(dot)com>
Subject: Re: huge tlb support
Date: 2012-07-03 12:23:11
Message-ID: 201207031423.11934.andres@2ndquadrant.com (view raw or flat)
Thread:
Lists: pgsql-hackers
On Tuesday, July 03, 2012 04:49:10 AM Robert Haas wrote:
> So, considering that there is required setup, it seems that the
> obvious thing to do here is add a GUC: huge_tlb_pages (boolean).
> 
> The other alternative is to try with MAP_HUGETLB and, if it fails, try
> again without MAP_HUGETLB.
What about huge_tlb_pages = off|try|on with try being the default?

Greetings,

Andres
-- 
 Andres Freund	                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

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